Red Cloud at Dawn: Truman, Stalin, and the End of the Atomic Monopoly

On August 29, 1949, the first Soviet test bomb, dubbed First Lightning, exploded in the deserts of Kazakhstan. The startling event was not simply a technical experiment that confirmed the ability of the Soviet Union to build nuclear bombs during a period when the United States held a steadfast monopoly; it was also an international event that marked the beginning of an arms race that would ultimately lead to nuclear proliferation beyond the two superpowers.

Following a trail of espionag…